
Crick and Watson's DNA Molecular Model
1953
1953
1953
1951
1953
1951-1953
1953
1952-3
1952
1952
1952
1952
2000-100 BCE
1951
1950
1950
1951
1953
circa 1950
1950
1955; 1830
1950
1951
circa 1953
1951
1950-1953
1950-1953
1950-1952
1951
1951
1938 and 1951
May 1953
1951-1953
1950-1951
1953
circa 1950
1951
circa 1950
circa 1950
1950
circa 1953
1951
1951
1990-96
1950
circa 1953
1951
1839 (original); circa 1988 (replica)
1951
4000-2001 BCE
1951